DTC C111B-04: Left Stop Lamp - System internal failure: Action

WARNING: This page is about a different car, the 2023 Jaguar F-Pace and 2022 Jaguar F-Pace. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: To validate the repair run the engine for 10 seconds, stop the engine, run the engine for another 10 seconds and check the stop lamp function. Then use the Jaguar Land Rover approved diagnostic equipment to check this DTC is no longer set in the body control module. Alternatively use the Jaguar Land Rover approved diagnostic equipment to perform the diagnostic routine - On Demand Self Test. If the repair is successful this DTC will no longer be set within the body control module

Using the Jaguar Land Rover approved diagnostic equipment, clear the Diagnostic Trouble Code(s) and retest. If the fault persists, install a new left stop lamp assembly as necessary